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[David Bremner]

Carl Worth <cworth at cworth.org> writes:
>
> It's embarrassing to me that I added this note to the notmuch TODO file
> in October 2009 (and it's still there):
>
>     Add support for the user to specify custom headers to be indexed.

One techicality is that we would presumeably want to support this both
for access via the CLI and via libnotmuch (e.g. for the python
bindings).  So there is the question of where to store the list of
indexed headers; perhaps in Xapian metadata. Or is there some simpler
solution?

d